Windows 10: VPN causes 'semafoor timeout'. Probably due KB4552925? can't roll back

Hi,


I'm using u VPN to an, ancient, SBS2003. All worked well but as of today I can normally connect but can't access a share. After minutes I get an 'semafoor timeout' language Dutch. I'm the only one with the problem, others can connect normally. Other protocols http, exchange, VNC are working over the VPN. I also can access a share on my local network to a Synology NAS.


Yesterday I installed a few updates: Among others KB4559309 en KB4552925. And perhaps some device drivers but can't find out which: not showing in the history. Because the problem only started today I think/hope that probably one of the updates is the problem and want to uninstall them but without luck. I tried:


- to go back tot a restore point a few days ago but both updates still remain in the history and problem exists.
- Under 'delete update' translation from Dutch I only found 3 updates: 2 from 2017 and 1 from 17 June also the day I updates to 2004

- Tried also safe boot and remove the latest quality updates but the updates are still in the history.


A search for 'semafoor timeout' lead me to outdated network drivers. I tried the WiFi en ethernet on my laptop as well as an ethernet port on a Kenginston-dock. Same problem with all three.


I'm using Windows 10 Home 10.019041 Build 19041


Hope someone has a sollution!


//edit: Since I got no response for rolling back the update I changed the topic to Network. I have VirtualBox on my systeem. Tried to connect the VPN from the guest Windows 7 pro. At first without luck. But then changed the Network mode to Bridge over the WiFi adapter and it works! So network driver couldn't be the problem I assume?


Martin.

:)

 

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